(~s, submerging, ~d)
1.
If something ~s or if you ~ it, it goes below the surface of some water or another liquid.
Hippos are unable to ~ in the few remaining water holes...
The river burst its banks, submerging an entire village.
VERB: V, V n
2.
If you ~ yourself in an activity, you give all your attention to it and do not think about anything else.
He ~s himself in the world of his imagination.
VERB: V pron-refl in n